◄Summary►  ◄Timings►
────────────────┬─────────────────────────┬────────────────────────────────
 FPTAN          │ fptan                   │  87   30-540
                │                         │ 287   30-540
                │                         │ 387   191-497 *
────────────────┴─────────────────────────┴────────────────────────────────
 
* For operands with an absolute value greater than π/4, up to 76
  additional clocks may be required.
                                    -♦-